Home / 217,884,872.56-300,511,026.30-139,575,707.16

Finding the Fourth Proportional to 217,884,872.56, 300,511,026.30 and 139,575,707.16

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Solution

The fourth proportional to 217,884,872.56, 300,511,026.30 and 139,575,707.16 is: 192,505,512.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,884,872.56 : 300,511,026.30 = 139,575,707.16 : x
  2. Step 2: Convert to fraction form
    217,884,872.56/300,511,026.30 = 139,575,707.16/x
  3. Step 3: Cross multiply
    217,884,872.56x = 300,511,026.30 × 139,575,707.16
  4. Step 4: Simplify right side
    217,884,872.56x = 41,944,039,005,199,856
  5. Step 5: Solve for x
    x = 41,944,039,005,199,856/217,884,872.56
  6. Step 6: Final answer
    x = 192,505,512.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.